Answer:
18
Step-by-step explanation:
Answer:
It depends on how many inches they are from the finish line.
Step-by-step explanation:
However, they will be at the same distance at 90 inches when Glenda hops 5 times. 18 x 5 = 90. Penny will also make it to 90 inches when she hops 6 times. 15 x 6 = 90. Then, you will subtract 90 inches from how long the race is in inches.
Hope this helps!
Answer:
b=7
Step-by-step explanation:
We want to determine the positive base b in which:
The easiest way to approach this is to convert all the numbers to base 10.
Next, we factorize the resulting expression.
The positive value of b for which the equality hold is 7.
Answer:
28
Step-by-step explanation:
4x + 9x + 8x = 147
21x = 147
x = 147/21
x = 7
========
The shortest side will be 4x
4*7 = 28